Electrical Insulating Cardboard Laminated Kraft Paperboard Insulation Paper Sheet

• Fiberglass Type: E-Glass
• Certification: GS, ISO, RoHS, UL
• Technique: Insulation Impregnated Paper and Phenolic Resin
• Model No: 3021
• Density: 1.0~1.2g/cm3
• Basic Material: Paper
• Featue: Insulation and Heat-Resistance
• Standand: GB/T19264.3-2003 & IEC60641-3-1992
• Sample: Avaiable
• Usage: Electric. Machinery. etc.
• Color: Brown
• Transport Package: Pallet
• Specification: 1000*2000 mm
• Trademark: xjdg
• Origin: China Henan Xuchang
• Production Capacity: 10000/PCS

Product Description

 

 

 

Product Description

Thickness: 0.5/1/2/3/4/5mm 

Long * Wide: 1000*2000 

Weight for Each Package: 500Kg

T4 cardboard has high density, higher tightness, lower shrinkage and good flatness. It is mainly used on equipment such as transformers, capacitors, mutual inductor, etc.( namely oil clearance pad of pie winding , partition board, cardboard tube, corrugated paper, iron yoke insulation, clip insulation, end insulation, winding plate, etc.)

Standard:GB/T19264.3-2003 & IEC60641-3-1992
Properties	Electrical Paperboard					T4 Paperboard
	1mm	2mm	3mm	4mm	5mm	≤1.6mm	>1.6~3mm	>3~6mm	>1.6~8mm
	Values
Thickness & Tolerance(%)	±7.5	±5.0	±5.0	±5.0	±5.0	±7.5	±5.0	±5.0	±5.0
Apparent Density(g/m2)	1.0~1.2					1.0~1.2	1.10~1.25	1.15~1.3	1.20~1.3
Moisture Content(%)	≤8					≤6.0
Water Extraction PH	6.5-8.5
Ash Content(%)	≤1.0
Oil Absorbency(%)	≥10	≥10	≥10	≥10	≥10	≥11	≥9	≥7	≥7
Contamination to Transformer Oil	No Contamination
Tensile Strength MD(N/10mm)	≥110	≥110	≥110	≥110	≥110	≥100	≥105	≥110	≥110
Tensile Strength CD(N/10mm)	≥80	≥85	≥80	≥80	≥80	≥75	≥80	≥85	≥85
Elongation MD(%)	≥7.0	≥7.0	≥7.0	≥7.0	≥7.0	≥3.0	≥3.0	≥3.0	≥3.0
Elongation CD(%)	≥9.0	≥9.0	≥9.0	≥9.0	≥9.0	≥4.0	≥4.0	≥4.0	≥4.0
Shrinkage MD(%)	≤0.7	≤0.7	≤0.7	≤0.7	≤0.7	≤0.5	≤0.5	≤0.5	≤0.5
Shrinkage CD(%)	≤1.0	≤1.0	≤1.0	≤1.0	≤1.0	≤0.7	≤0.7	≤0.7	≤0.7
Shrinkage Thickness(%)	≤5.0	≤5.0	≤5.0	≤5.0	≤5.0	≤5.0	≤5.0	≤5.0	≤5.0
Compressibility,C(%)	-	-	-	-	-	≤10.0	≤7.5	≤5.0	≤4.0
Crve pevereible part of coompressibility(%)	-	-	-	-	-	≥45	≥50	≥50	≥50
Conductivity of aqueous extract(mS/m)	-	-	-	-	-	≤5.0	≤6.0	≤8.0	≤10
Electric Strength In the Air(KV/mm)	≥10	≥10	≥10	≥10	≥10	≥12	≥11	≥10	≥9
Electric Strength In the Oil(KV/mm)	≥40	≥30	≥25	≥25	≥25	≥40	≥35	≥30	-

 

Packaging & Shipping

Wrapped with packaging film and packed in pallet; horizontally placed in dry and clean room at room temperature;keep it away from moisture and fire. The storage period is 12 months.

 

 

FAQ
1.    Are you a trading company or manufacturer?

We are an original and real manufacurer(not mini family woks or personal brokers, pls clarify with it) with over 20 workshops for the kinds of insulation sheets/tubes/rods/parts.etc, which can meet the different requirements  for all over of world users. 


2.    Can you customize according to my requirements?
Yes, we can customize according to customers' requirements, like color, size, etc.

3.    Where is your factory?
Our factory is in Xuchang city, Henan province, China

4.    Can you send me samples to test?
Yes, we offer free samples to customers and they just need to pay the freight.

5.    What's your main product?
We supply all kinds of insulation materials used in electrical field and most of them used in transformers , motors, and electronic products .